Add support for configuring PEC (Packet Error Checking). Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- This patch depends on the patch series at https://patchwork.kernel.org/project/linux-hwmon/list/?series=857097 drivers/hwmon/spd5118.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/spd5118.c b/drivers/hwmon/spd5118.c index 440503d09d13..eb21bf3dffd7 100644 --- a/drivers/hwmon/spd5118.c +++ b/drivers/hwmon/spd5118.c @@ -33,6 +33,7 @@ static const unsigned short normal_i2c[] = { #define SPD5118_REG_VENDOR 0x03 /* MR3:MR4 */ #define SPD5118_REG_CAPABILITY 0x05 /* MR5 */ #define SPD5118_REG_I2C_LEGACY_MODE 0x0B /* MR11 */ +#define SPD5118_REG_DEV_CONFIG 0x12 /* MR18 */ #define SPD5118_REG_TEMP_CLR 0x13 /* MR19 */ #define SPD5118_REG_ERROR_CLR 0x14 /* MR20 */ #define SPD5118_REG_TEMP_CONFIG 0x1A /* MR26 */ @@ -50,6 +51,8 @@ static const unsigned short normal_i2c[] = { #define SPD5118_CAP_TS_SUPPORT BIT(1) /* temperature sensor support */ +#define SPD5118_PEC_ENABLE BIT(7) /* PEC enable */ + #define SPD5118_TS_DISABLE BIT(0) /* temperature sensor disable */ /* Temperature unit in millicelsius */ @@ -217,6 +220,18 @@ static int spd5118_write_enable(struct regmap *regmap, u32 attr, long val) val ? 0 : SPD5118_TS_DISABLE); } +static int spd5118_chip_write(struct regmap *regmap, u32 attr, long val) +{ + switch (attr) { + case hwmon_chip_pec: + return regmap_update_bits(regmap, SPD5118_REG_DEV_CONFIG, + SPD5118_PEC_ENABLE, + val ? SPD5118_PEC_ENABLE : 0); + default: + return -EOPNOTSUPP; + } +} + static int spd5118_temp_write(struct regmap *regmap, u32 attr, long val) { switch (attr) { @@ -238,6 +253,8 @@ static int spd5118_write(struct device *dev, enum hwmon_sensor_types type, struct regmap *regmap = dev_get_drvdata(dev); switch (type) { + case hwmon_chip: + return spd5118_chip_write(regmap, attr, val); case hwmon_temp: return spd5118_temp_write(regmap, attr, val); default: @@ -338,7 +355,7 @@ static int spd5118_detect(struct i2c_client *client, struct i2c_board_info *info static const struct hwmon_channel_info *spd5118_info[] = { HWMON_CHANNEL_INFO(chip, - HWMON_C_REGISTER_TZ), + HWMON_C_REGISTER_TZ | HWMON_C_PEC), HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LCRIT | HWMON_T_LCRIT_ALARM | -- 2.39.2
